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Safety Key Selector Switch
A22TK
Key-type Selector Switch with Direct
Opening Mechanism
• Selector Switch for secure equipment activation during
maintenance
• 30 types of exclusive keys make it more difficult to disable.
• The trapped key of the D4JL Guard Lock Safety-door Switch
has the same shape as the lockout key of the D4GL-SK10-LK@,
D4SL-NSK10-LK@ Slide Key Unit. Units can be combined to
improve safety.
(Specify the same key type.)
• Common to the switch part of Emergency Stop Switch A22E.
(Non-lighted model only)
For safety precautions for all pushbutton switches, refer to the website
at: www.ia.omron.com, and "Safety Precautions" on page 12 in this
catalog.
Features
Because the A22TK Safety Key Selector Switch uses the same key as the Guard Lock Safety-door Switch, the operator is prevented from forgetting
to remove the key. The result is a safer working environment when performing maintenance.
Common Key for Door Switch and Selector Switch
Guard Lock
Safety-door Switch
D4GL-SK10-LK@
D4SL-NSK10-LK@
D4JL
Common Key
* To unify keys, specify the same key type.
1
Broad range of applications include use with door locks, mode switching, and emergency stops when teaching
Safety Key
Guard Lock
Selector Switch
Safety-door Switch
D4GL-SK10-LK@
D4SL-NSK10-LK@
A22TK
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Safety Key
Enabling
Selector Switch
Grip Switch
A22TK
A4EG
D4JL
With the Selector Switch, it is possible to
switch between normal operation mode
(use of Door Switch is available) and
maintenance mode (use of Enabling
Grip Switch is available).
Safety Controllers
such as Safety Guard
Switching Unit
G9SX-GS
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Table of Contents
Related Manuals for Omron A22TK
Summary of Contents for Omron A22TK
- Page 1 Features Because the A22TK Safety Key Selector Switch uses the same key as the Guard Lock Safety-door Switch, the operator is prevented from forgetting to remove the key. The result is a safer working environment when performing maintenance. Common Key for Door Switch and Selector Switch...
- Page 2 Guard Lock Safety-door Switch Safety Key Selector Switch (A22TK) The two locks on the door and equipment use the same key, reducing the likelihood that the user will forget to remove it.
- Page 3 The models numbers of only Operation Units are they same as the set model numbers without (2) Contact Configuration. Example: The model number of the Operation Unit from the A22TK-2LL-12-K01 Set is A22TK-2LL-K01. Ask your OMRON representative about parts without model numbers when ordering.
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Page 4: Contact Configuration
Always be careful to turn the key completely to the FP (HP) or TTP position to ensure that the contacts are properly switched and the direct open circuit operation characteristics are obtained. *2. Key drop preventive type (A22TK-@-SJ or A22TK-@-SJ only) -
Page 5: Ordering Information
The models numbers of only Operation Units are they same as the set model numbers without (2) Contact Configuration. Example: The model number of the Operation Unit from the A22TK-2LL-12-K01 Set is A22TK-2LL-K01. Ask your OMRON representative about parts without model numbers when ordering. - Page 6 One hole, yellow box Control Box A22Z-B101Y Material: Polycarbonate resin (for emergency stop) Note: For information on two-hole and three-hole control boxes, contact your OMRON representative. The Switch Block, Mounting Latch, Connector, and Lock Plate of A22E can be used.
- Page 7 • CCC (GB14048.5): 3 A at 240 VAC, 1.5 A at 24 VDC Certified Standards Certification body Standards File No. UL *1 UL508, C22.2 No.14 E41515 EN60947-5-1 Consult your OMRON TÜV SÜD (certified direct opening mechanism) representative for details. CQC(CCC) GB14048.5 2003010303070635 KOSHA EN60947-5-1 2009-156 Note: Only models with NC contacts have a direct opening mechanism.
- Page 8 A22TK Structure and Nomenclature * Two keys are provided. Operation Unit Switch Contact Ratings 10 A at 110 VAC (resistive load) 10 A at 24 VDC (resistive load) Contact Configuration SPST-NC, SPST-NO/SPST-NC, DPST-NC, DPST-NC + SPST-NO, DPST-NO + SPST-NC, and TPST-NC Lock Plate (attached with the Switch) (Refer to "Mounting the Lock Plate"...
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Page 9: Application Examples
• In normal operation mode and maintenance mode, the power supply to the motor M1 and M2 is turned OFF when the emergency stop switch is pressed. ●Evaluation example PL/safety category Model Stop category Reset Safety Key Selector Switch A22TK-2@@-11 (SPST-NO/SPST-NC type) Guard lock Safety-door Switch D4NL-@A@A-@, -@A@B-@, -@A@C-@ (Mechanical Lock Type) − − PLe/4 equivalent... -
Page 10: Application Overview
(10)The operator opens the guard and performs maintenance work. ●Evaluation example PL/safety category Model Stop category Reset Safety Key Selector Switch A22TK-2@@-11 (SPST-NO/SPST-NC type) Guard lock Safety-door Switch D4NL-@A@A-@, -@A@B-@, -@A@C-@ (Mechanical Lock Type) − − PLd/3 equivalent Enabling Grip Switch A4EG... -
Page 11: Installation
A22TK Installation Mounting to the Panel (1) Preparing the Panel (3) Mounting the Switch on the Operation Unit • The panel dimensions are shown below. • Insert the Operation Unit into the Switch Unit, aligning the arrow mark inscribed on the Case with the lever on the Switch Blocks, then move the •... -
Page 12: Safety Precautions
150% to 200%. Supplementary comments on what to do When using the A22TK for an EN rating, use a 10-A fuse of type gI Precautions or avoid doing, to prevent failure to or gG that complies with IEC 60269. - Page 13 A22TK Wiring Precautions for Correct Use • Terminal screws must be Phillips or slotted M3.5 screws with a square washer. Operating Environment • The tightening torque is 1.08 to 1.27 N·m. • This Switch is designed for use indoors. • Single wires, stranded wires, and crimp terminals can be Using the Switch outdoors may damage it.
- Page 14 A22TK Others • If the panel is to be coated, make sure that the panel meets the specified dimensions after coating. • Due to the structure of the Switch, severe shock or vibration may cause malfunctions or damage to the Switch.
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Page 15: Warranty
Warranty and Limitations of Liability WARRANTY OMRON’s exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON... - Page 16 The Netherlands CA 94555-3605 U.S.A. Tel: (31)2356-81-300/Fax: (31)2356-81-388 Tel: (1) 510-608-3400/Fax: (1) 510-744-1442 © OMRON Corporation 2009 All Rights Reserved. OMRON (CHINA) CO., LTD. OMRON ASIA PACIFIC PTE. LTD. In the interest of product improvement, Room 2211, Bank of China Tower, No.